IShaderManagerCreator Class Reference

This reference page is linked to from the following overview topics: Implementing Advanced Material and Texture Map Plug-ins with Nitrous.

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#include <IShaderManager.h>

Inheritance diagram for IShaderManagerCreator:

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Class Description

Factory class for IShaderManager objects.

Material and texture map plug-ins based on programmable shaders need to create an IShaderManager for each of the shaders they use. The plug-in is responsible for destroying the IShaderManager instance. Call IShaderManagerCreator::GetInstance() to access the sole instance of IShaderManagerCreator.

Public Member Functions
virtual IShaderManager *	CreateShaderManager (IShaderManager::ShaderType type, const MCHAR *className, const MCHAR *shaderFileName, ReferenceTarget *pRefTarget)=0
	Creates an IShaderManager object based on a programmable shader.
virtual void	DeleteShaderManager (IShaderManager *pShaderGraphManager)=0
	Deletes an IShaderManager instance.
Static Public Member Functions
static IShaderManagerCreator *	GetInstance ()
	Retrieves the sole instance of IShaderManagerCreator.

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Member Function Documentation

virtual IShaderManager* CreateShaderManager	(	IShaderManager::ShaderType	type,
		const MCHAR *	className,
		const MCHAR *	shaderFileName,
		ReferenceTarget *	pRefTarget
	)		[pure virtual]

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Creates an IShaderManager object based on a programmable shader.

Currently only MetaSL shaders are supported. A MetaSL shader's code is stored in a file. The shader itself has a type and a class name. The plug-in is responsible for the life-time management of the IShaderManager instance created by this method.

Parameters:

[in]	type	The type of the shader. Currently only MetaSL is supported.
[in]	className	The shader's class name.
[in]	shaderFileName	Fully qualified file path of the file that stores the shader's code. For a MetaSL shader this must be an xmsl file.
[in]	pRefTarget	A pointer to the material or texture map plug-in the IShaderManager is created for.

Returns:

A valid IShaderManager instance, or NULL in case of an error such as when the specified shader file is not found. See IShaderManager for a code example of how to use this method.

virtual void DeleteShaderManager

(

IShaderManager *

pShaderGraphManager

)

[pure virtual]

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Deletes an IShaderManager instance.

Material and texture map plug-ins that created IShaderManager instances need to call this function in order to delete them properly.

Parameters:

[in]

pShaderGraphManager

the instance of IShaderManager.

static IShaderManagerCreator* GetInstance

(

)

[inline, static]

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Retrieves the sole instance of IShaderManagerCreator.

        {
                return dynamic_cast<IShaderManagerCreator*>(GetCOREInterface(ISHADER_MANAGER_CREATOR_INTERFACE_ID));
        }